A358746 - cp's OEIS frontend

A358746 The number of vertices formed when every pair of n points, placed at the vertices of a regular n-gon, are connected by a circle and where the points lie at the ends of the circle's diameter.

n	a(n)
2	2
3	6
4	5
5	55
6	54
7	252
8	169
9	747
10	630
11	1804
12	1381
13	3679
14	3150
15	6690
16	5553
17	11509
18	9846
19	18012
20	15241
21	27237
22	24398
23	39606
24	33577
25	56275
26	50622
27	77058
28	69693
29	102979
30	94770
31	135966
32	124065
33	175593
34	162894
35	222810
36	205885
37	279831
38	260870
39	347178
40	321961
41	424391
42	399042

[2, 6, 5, 55, 54, 252, 169, 747, 630, 1804, 1381, 3679, 3150, 6690, 5553, 11509, 9846, 18012, 15241, 27237, 24398, 39606, 33577, 56275, 50622, 77058, 69693, 102979, 94770, 135966, 124065, 175593, 162894, 222810, 205885, 279831, 260870, 347178, 321961, 424391, 399042]

cp's OEIS Frontend

A358746 The number of vertices formed when every pair of n points, placed at the vertices of a regular n-gon, are connected by a circle and where the points lie at the ends of the circle's diameter.

Table of values

List of values